Executive Summary

A Reflected XSS vulnerability has been identified in PAYCOMET for WooCommerce, a popular WordPress plugin. This vulnerability, tracked as CVE-2026-109701, allows an attacker to inject malicious scripts into web pages, potentially leading to unauthorized actions or data theft. The CVSS score for this vulnerability is 7.1, indicating a high severity level.

Technical Analysis

The vulnerability is classified as Improper Neutralization of Input During Web Page Generation, commonly known as Cross-site Scripting (XSS). Specifically, it is a Reflected XSS vulnerability, which occurs when user input is immediately reflected back to the user without proper sanitization or escaping. The vulnerable component is the PAYCOMET for WooCommerce plugin, specifically versions up to 5.45. The attack vector involves an attacker crafting a malicious URL that includes a script, which is then reflected back to the user by the vulnerable application.

How It Gets Exploited

An attacker can exploit this vulnerability by crafting a malicious URL that includes a script, which is then reflected back to the user by the vulnerable application. For example, an unauthenticated remote attacker could send a crafted URL to a victim, which, when accessed, would execute the malicious script in the context of the victim's session. This could lead to unauthorized actions or data theft. The attacker would need to convince the victim to click on the malicious link, potentially through social engineering tactics.

Impact Assessment

The impact of this vulnerability is significant, with a CVSS score of 7.1 indicating a high severity level. An attacker could exploit this vulnerability to inject malicious scripts into web pages, potentially leading to unauthorized actions or data theft. The vulnerability affects PAYCOMET for WooCommerce versions up to 5.45, and users of this plugin are at risk. The attack complexity is low, and no privileges are required, making it easier for attackers to exploit.

Recommended Actions

To mitigate this vulnerability, users of the PAYCOMET for WooCommerce plugin should update to version 5.46 or later. Additionally, users should be cautious when clicking on links from unknown sources, as this could lead to exploitation. Implementing a Web Application Firewall (WAF) rule to detect and block suspicious traffic could also help prevent exploitation. It is essential to stay up-to-date with the latest security patches and updates for the PAYCOMET for WooCommerce plugin.

Sources

  • National Vulnerability Database (NVD)
  • Patchstack